Possible Causes
| Possible Causes |
|---|
| SYSTEM OR ELECTRONIC CONTROL UNIT (ECU) VOLTAGE DTC(S) |
| SERVICE BULLETIN(S) |
| SOFTWARE UPDATE(S) |
| VEHICLE CONFIGURATION DTC(S) |
| COMMUNICATION RELATED DTC(S) |
| NON U-CODE DTC(S) |
| ECU POWER SUPPLY (FUSED B+ OR IGNITION) CIRCUIT(S) OPEN OR SHORTED TO GROUND |
| ECU GROUND CIRCUIT(S) OPEN OR HIGH RESISTANCE |
| CAN BUS CIRCUIT(+/-) OPEN OR HIGH RESISTANCE |
| POOR CONNECTION(S) AT CAN BUS ECU HARNESS CONNECTOR(S) |
| CAN BUS ECU |